Operative surgery . Fig. 90.—Improvised tourniquet. 74 OPERATIVE SURGERY. then carried to the right or left, as the case may be, sujBficiently to lie be-tween the bodies of the lumbar vertebras and the psoas magnus lower extremity of the lever is then raised so as to bring the requisitepressure to bear upon the vessel (Fig. 91). This implement has been employed with signal success. It can be moresafely applied at the left than at the right side of the body, because the left. Fig. 91.—Davys lever applied. iliac artery is nearer to the rectum than is the right. The introductionshould
Operative surgery . Fig. 90.—Improvised tourniquet. 74 OPERATIVE SURGERY. then carried to the right or left, as the case may be, sujBficiently to lie be-tween the bodies of the lumbar vertebras and the psoas magnus lower extremity of the lever is then raised so as to bring the requisitepressure to bear upon the vessel (Fig. 91). This implement has been employed with signal success. It can be moresafely applied at the left than at the right side of the body, because the left. Fig. 91.—Davys lever applied. iliac artery is nearer to the rectum than is the right. The introductionshould be preceded by an injection of sweet oil into the rectum, after whichthe lever is cautiously introduced and held in position by a gentle, thoughfirm, upward elevation of the free end, thereby causing the perineal tissuesto act as a fulcrum. The free extremity is then pressed against the oppositethigh, and carefully held in position during the operation. If unnecessaryforce be used, the gut may be torn or perforated. Trendelenburgs Rod.—Trendelenburgs rod is used for the same purposeas Davys lever, but in an entirely different manner (Fig. 92). The soft AGENTS FOR THE CONTROL OF HAEMORRHAGE. 75 parts are transfixed by this rod at such a depth as to include the wholethickness of the proposed flap. A strong rubber cord is then passed overthe extremities of the rod with sufficient force to compress the vessels in thetissues above it. Tlie flap can then be made and thevessels li
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Keywords: ., bookauthorbryantjosephdjosephde, bookcentury1900, bookdecade1900
